{"nhtsa_id":613174,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-06-19","date":"1998-11-01","document_id":"12158","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.","mfr_system":null,"summary":"SOME VEHICLES EQUIPPED WITH A DUAL MEDIA RADIO MAY EXHIBIT AN INTERMITTENT OR INOPERATIVE REAR SPEAKER (GENERALLY THE RIGHT SIDE) CAUSING BY A DUAL FAULT CONDITION. *MJS","document":null,"url":"https://open.wenmarpro.com/bulletins/613174","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"SUPER DUTY F SERIES","year_from":1999,"year_to":1999,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}